Question

Matrix transformations, Eigenvectors and Eigenvalues

score 1.1k · Answer 1 · 2026-03-30 08:47:24

1.1k

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Matrix transformations, Eigenvectors and Eigenvalues

Published on 30 Mar 2026 - 8:47

score 1.4k · Answer 2 · 2026-03-25 14:31:48

1.4k

Views

Simplification for Kronecker product between block matrix and identity matrix (Khatri-Rao product)

Published on 25 Mar 2026 - 14:31

score 295 · Answer 3 · 2026-03-24 21:45:08

295

Views

The determinant of the sum of a positive definite matrix with a symmetric singular matrix

Published on 24 Mar 2026 - 21:45

score 2.3k · Answer 4 · 2026-03-22 19:27:42

2.3k

Views

Vectorization and transpose: how are $\text{vec}(W^T)$ and $\text{vec}(W)$ related?

Published on 22 Mar 2026 - 19:27

score 150 · Answer 5 · 2026-03-25 15:37:16

150

Views

Is scaling (related to matrix size $n$) and eigenvalue calculation exchangeable when discussing eigenvalue distribution of random matrix

Published on 25 Mar 2026 - 15:37

score 179 · Answer 6 · 2026-03-28 08:24:30

179

Views

Invertible matrix and inverse matrix

Published on 28 Mar 2026 - 8:24

score 131 · Answer 7 · 2026-03-30 05:16:01

131

Views

Basis of Image and kernel of Linear Transformation $\mathbb(M_{2,2})\rightarrow\mathbb(R^3) = (trace(A), 5*Trace(A), - Trace(A))$

Published on 30 Mar 2026 - 5:16

score 55 · Answer 8 · 2026-03-31 10:45:02

55

Views

Is $A-B$ never normal?

Published on 31 Mar 2026 - 10:45

score 594 · Answer 9 · 2026-03-29 08:31:18

594

Views

Replace $X$ with $\mbox{diag}(x)$ in trace matrix derivative identity

Published on 29 Mar 2026 - 8:31

score 324 · Answer 10 · 2026-03-25 21:01:23

324

Views

Product of two matrices with zero product

Published on 25 Mar 2026 - 21:01

score 67 · Answer 11 · 2026-03-22 12:42:09

67

Views

Find the value of a third order circulant type determinant

Published on 22 Mar 2026 - 12:42

score 60 · Answer 12 · 2026-03-20 00:43:23

60

Views

Is there a matrix which is not orthogonal but only has A transpose A equal to identity?

Published on 20 Mar 2026 - 0:43

score 144 · Answer 13 · 2026-03-25 09:31:52

144

Views

relation between a square matrix and inverse matrix

Published on 25 Mar 2026 - 9:31

score 47 · Answer 14 · 2026-03-27 22:22:33

47

Views

What is an Operator Matrix for the operation which happens in the reverse direction?

Published on 27 Mar 2026 - 22:22

score 177 · Answer 15 · 2026-03-25 11:52:30

177

Views

Optimizing a cost function - Matrix

Published on 25 Mar 2026 - 11:52

List Question

Matrix transformations, Eigenvectors and Eigenvalues

Simplification for Kronecker product between block matrix and identity matrix (Khatri-Rao product)

The determinant of the sum of a positive definite matrix with a symmetric singular matrix

Vectorization and transpose: how are $\text{vec}(W^T)$ and $\text{vec}(W)$ related?

Is scaling (related to matrix size $n$) and eigenvalue calculation exchangeable when discussing eigenvalue distribution of random matrix

Invertible matrix and inverse matrix

Basis of Image and kernel of Linear Transformation $\mathbb(M_{2,2})\rightarrow\mathbb(R^3) = (trace(A), 5*Trace(A), - Trace(A))$

Is $A-B$ never normal?

Replace $X$ with $\mbox{diag}(x)$ in trace matrix derivative identity

Product of two matrices with zero product

Find the value of a third order circulant type determinant

Is there a matrix which is not orthogonal but only has A transpose A equal to identity?

relation between a square matrix and inverse matrix

What is an Operator Matrix for the operation which happens in the reverse direction?

Optimizing a cost function - Matrix

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